The world turns upside down in final trailer for 'Stranger Things 4 Volume 1'

"It's time."

So says the spooky disembodied voice of Stranger Things 4's new Big Bad Vecna in the latest trailer for the upcoming season. Indeed, it is time. Time for us to return to Hawkins after three long years, time for us to catch up with Eleven (Millie Bobby Brown) and the gang, time for us to learn how the heck Hopper...